MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure. Additionally, another critical heuristic identified it as a PDF link farm, containing numerous external links. The ML classifier also strongly indicated maliciousness. The primary malicious IOC is the redirector URL, which is likely used to direct users to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.me/wix?keyword=attitude+status+in+english+free
- https://static.usrfiles.com/ugd/eda9ba_8006a807b78c418997f606637f00abe6.pdf
- https://static.usrfiles.com/ugd/c6ac46_dc8361c602794555af9b308b8b4300d9.pdf
- https://static.usrfiles.com/ugd/bb10c5_511292b64f0140428ef276c2731feaca.pdf
- https://static.usrfiles.com/ugd/fb83f1_1fe6a171c2304d42a5a96b5c0ea2d75d.pdf
- https://static.usrfiles.com/ugd/b8c837_ff238bc9a5d74139b1572a6204f549ea.pdf
- https://static.usrfiles.com/ugd/c34aa9_e157e0a30922464aba56e624358cb733.pdf
- https://static.usrfiles.com/ugd/f63f29_c63d4aa8043c433bb579d4b93f6df6f8.pdf
- https://static.usrfiles.com/ugd/bfd504_e98e936ba698473793b8a7f0f0cd0666.pdf
- https://static.usrfiles.com/ugd/bca722_feebbd45560b4e12b9adc38878a14b30.pdf
- https://cdn.shopify.com/s/files/1/0438/2638/0960/files/19897408654.pdf
- https://cdn.shopify.com/s/files/1/0465/1188/2398/files/river_charlie_puth_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0433/6245/1611/files/49210943142.pdf
- https://cdn.shopify.com/s/files/1/0434/0105/2321/files/happy_birthday_gift_card.pdf
- https://cdn.shopify.com/s/files/1/0429/2762/0249/files/sistem_endokrin_pada_hewan_invertebrata_dan_vertebrata.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000089d8.bin485f7359c656632af793ffa299f91c0eff6dace1aeb479ff2f412b30312fa630 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89D8 | 5160 bytes |
font_01_sfnt_off00009b5b.bin6d292c6c7ad7049cb38ae95c6294dae02d86c46494ef9ca967de431339fe4797 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B5B | 10700 bytes |
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